<ion-header>
  <ion-navbar>
    <ion-title>Home</ion-title>
  </ion-navbar>
</ion-header>

<ion-content>
  <button ion-button block (click)="ionViewWillEnter2()">d地图</button>
  <button ion-button block (click)="loadMap()">定位</button>
  <div id="Bmap" style="width: 100%;height: 80%"></div>
</ion-content>
